Portion of a display panel with a computer-generated icon



FIG. 1 is a front view of a portion of a display panel with a computer-generated icon showing my new design, according to a first embodiment.

The broken lines depicting a portion of the display panel are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a display panel with a computer-generated icon, as shown and described. 